Operation CHARM: Car repair manuals for everyone.

Symptom Index - Definitions

SYMPTOM DIAGNOSTIC TEST

Hard Start Checking The Fuel Pressure
Checking ECT Sensor Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking Engine Mechanical Systems
Checking EVAP Emission System
Checking IAT Sensor

Start And Stall Checking PCM Power And Ground Ckt
Checking The Fuel Pressure
Checking ECT Sensor Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation

Hesitation/Sag/Stumble Checking PCM Power And Ground Ckt
Checking The Fuel Pressure
Checking ECT Sensor Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System

Surge Checking PCM Power And Ground Ckt
Checking The Fuel Pressure
Checking ECT Sensor Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System

Lack Of Power/Sluggish Checking PCM Power And Ground Ckt
Checking The Fuel Pressure
Checking ECT Sensor Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation

Spark Knock/Detonation Checking PCM Power And Ground Ckt
Checking The Fuel Pressure
Checking ECT Sensor Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System

Cuts Out/Misses Checking PCM Power And GNT CKT
Checking The Fuel Pressure
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation

Backfire/Popback Checking PCM Power And Ground Ckt
Checking The Fuel Pressure
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow

Runs Rough,
Unstable/Erratic Idle Checking PCM Power And Ground Ckt
Checking The Fuel Pressure
Checking ECT Sensor Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System
Checking IAT Sensor

Poor Fuel Economy Checking PCM Power And Ground Ckt
Checking The Fuel Pressure
Checking ECT Sensor Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System
Checking IAT Sensor